C222123232321333131133133313331323133313231323231312323232321232221   >>    C22212323232133313113313331333132313331323132323131232323232123222   <<    C222123232321333131133133313331323133313231323231312323232321232223   >>      C222123232321333131133133313331323133313231323231312323232321232222   >>